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1. Preliminary tag-recapture based population assessment of Antarctic toothfish (Dissostichus mawsoni) in Subarea 48.4

   . The current method of assessment, based on tag returns, consequently, is considered to provide an ... series and harvest rate of γ = 0.038, implies a 2019/20 yield of 45 tonnes using the 5-year average ... as a separate stock. Based on the biological characteristics of the catches in Subarea 48.4, and the ... Consent:  No Delegation responsibility for releasing documents:  United Kingdom ...

   Meeting Document : WG-FSA-2019/27 : Autor(es): T. Earl and A. Riley

2. Fulfilling CCAMLR’s commitment to create a representative system of Marine Protected Areas

   adopting a Southern Ocean representative system of MPAs by 2020. ASOC recommends that this year CCAMLR ... Abstract:  The Commission for the Conservation of Antarctic Marine Living Resources (CCAMLR) first ... adoption and entry into force of the Ross Sea MPA, ASOC calls on CCAMLR to make swift progress towards ... . Continues to develop and implement research and monitoring Plans for current MPAs. Author(s):  Submitted by ...

   Meeting Document : CCAMLR-XXXVII/BG/36 : Autor(es): Submitted by ASOC

3. Feedback management through effort regulation

   the predators that depend on it. Progressing the development of an operational FBM system in ... Abstract:  The interim distribution of the trigger level in the fishery for Antarctic krill (CM 51 ... from existing proposals presented at the two preceding WG-EMM meetings, and discussions during the ... here is reliant on data from the fishing fleet, highlighting the critical importance of engaging fully ...

   Meeting Document : SC-CAMLR-XXXV/BG/29 Rev. 1 : Autor(es): Delegation of Norway

4. Infectious diseases of Antarctic penguins: current status and future threats

   , potentially due to an infectious agent, is affecting Adélie penguins (Pygoscelis adeliae) on Ross Island. This ... on these birds.  Long-term disease studies would therefore be useful as an adjunct to aid in ... increase over the last 50 years.  However, issues of data not being published and a lack of formal risk ... valuable as indicators of the status of marine ecosystem health and are an indicator-species used in the ...

   Meeting Document : WG-EMM-14/53 : Autor(es): W.W. Grimaldi, P.J. Seddon, P.O.B. Lyver, S. Nakagawa and D.M. Tompkins (New Zealand)

5. Scientific background document in support of the development of a CCAMLR MPA in the Weddell Sea (Antarctica) – Version 2016 – Part B: Description of available spatial data

   Abstract:  The authors present to the Working Group on Ecosystem Monitoring and Management (WG EMM ... ) the scientific background and justification for the development of a marine protected area (MPA) in ... general context of the establishment of CCAMLR-MPAs and provides the background information on the Weddell ... Sea MPA (WSMPA) planning area; WG-EMM-16/02 (Part B) informs on the data retrieval process and WG-EMM ...

   Meeting Document : WG-EMM-16/02 : Autor(es): K. Teschke, H. Pehlke and T. Brey on behalf of the German Weddell Sea MPA (WSMPA) project team, with contributions from the participants at the International Expert Workshop on the WSMPA project (7–9 April 2014, Bremerhaven)

6. Interannual variation in the summer diet of Adélie penguin (Pygoscelis adeliae) at Edmonson Point

   Island in 2001. Mean diet composition varied from year to year and between the two locations in 2001 ... Abstract:  Diet sampling of Adélie penguins (Pygoscelis adeliae) was carried out at two colonies ... , in the Ross Sea, Antarctica, to study the feeding ecology of this species for the Commission for the ... at Edmonson Point CEMP site over five years, 1995-97, 1999, 2001 and was extended to Inexpressible ...

   Meeting Document : WG-EMM-04/38 : Autor(es): S. Olmastroni, F. Pezzo, I. Bisogno and S. Focardi (Italy)

7. Sampling toothfish from longlines with unequal probabilities

   observers are recommended to sample a quota of the first 30 fish that are caught during a sampling session ... . Since toothfish are often aggregated on a line, this means that fish within aggregations are sampled ... proportion to toothfish density on the line. The present recommendation therefore indicates sampling with ... unequal probabilities which, if unaccounted for, can lead to serious biases in estimates of population ...

   Meeting Document : WG-FSA-03/85 : Autor(es): J.R. Ashford (USA)

8. Size and stage composition of age class 0 Antarctic krill (Euphausia superba) in the ice-water interface layer during winter/early spring

   association will have an effect on large-scale distribution patterns of AC0 krill and on predictions of the ... Abstract:  The condition and survival of Antarctic krill (Euphausia superba) strongly depends on ... sea ice during winter. How krill utilize sea ice depends on several factors such as region and ... size distribution of krill differed between the two depth strata sampled. Larval stages with a ...

   Meeting Document : WG-EMM-16/P16 : Autor(es): F. Schaafsma, C. David, E. Pakhomov, B. Hunt, B. Lange, H. Flores, J.A. van Franeker

9. Whale depredation data collection guidelines

   depredation and for solutions to be developed, both locally and globally. Using the COLTO workshop as an ... odontocete depredation on demersal longlines operating in high latitudes was organised by the Coalition of ... across fisheries confronted with interactions with odontocetes is important for a better understanding of ... document aims to provide basic guidelines for observer programmes that are relatively new to dealing with ...

   Meeting Document : WG-FSA-16/09 : Autor(es): N. Gasco, P. Tixier, M. Söffker and C. Guinet

10. Stock assessment of the Patagonian toothfish, Dissostichus eleginoides, harvested by the French fishery at Kerguelen Islands (Division 58.5.1 of the CCAMLR)

    the fishery is modeled using different functions for fishery selectivity depending on the fishing zone ... population-modeling tool, applied to a single area and based on sex combination. The spatial complexity of ... and the type of fishing vessels (trawlers, long-liners). The fishing zone for the long-liners is ... divided in four areas (North, East, South, Skiff Bank) and in two depth categories: less than and more ...

    Meeting Document : WG-FSA-11/28 : Autor(es): A. Relot-Stirnemann (France)

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